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Fofino [41]
3 years ago
15

What is meant by first ionization energy?

Chemistry
1 answer:
Fiesta28 [93]3 years ago
4 0
The amount of energy required to remove one electron from the outermost shell.
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A tablet of Pain Be Gone Aspirin, which had a mass of 1.213 g, was pulverized and 1.159 g were dissolved in 10.0 mL of ethyl alc
Elan Coil [88]

Answer:

a. Moles of NaOH  = 0.001643 moles

b. 0.296 g

c. 0.3098 g

d. Not acceptable

Explanation:

a.

Considering:

Molarity=\frac{Moles\ of\ solute}{Volume\ of\ the\ solution}

Or,

Moles =Molarity \times {Volume\ of\ the\ solution}

Given :

For NaOH :

Molarity = 0.1052 M

Volume = 15.62 mL

The conversion of mL to L is shown below:

1 mL = 10⁻³ L

Thus, volume = 15.62×10⁻³ L

Thus, moles of NaOH :

Moles=0.1052 \times {15.62\times 10^{-3}}\ moles

Moles of NaOH  = 0.001643 moles

b.

The reaction of NaOH with the acetylsalicylic acid is in the ratio of 1:1.

Thus, Moles of NaOH = Moles of acetylsalicylic acid = 0.001643 moles

Molar mass of acetylsalicylic acid = 180.16 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Mass = Moles * Molar mass = 0.001643 moles * 180.16 g/mol = 0.296 g

c.

1.159 g of sample contains 0.296 g of acetylsalicylic acid

1.213 g of sample contains \frac{0.296}{1.159}\times 1.213 g of acetylsalicylic acid

Mass of acetylsalicylic acid = 0.3098 g = 309.8 mg

d. Sample contains = 309.8 mg

Manufacturer claiming = 315 mg to 335 mg

Thus , it is not acceptable.

5 0
3 years ago
My science exam is due tomorrow and I HAVE LIMITED TIME. can someone help me how to absorb anything you read and memorize it...
igor_vitrenko [27]

Answer:  

It won't let me type this for some reason but here it is.

7 0
2 years ago
How can you drop two eggs the fewest amount of times, without them breaking? Whoever gets this right I will mark them brainlyest
Alekssandra [29.7K]

Answer:

Okay well simply drop it from one inch on to the ground and it won't break and you could put it into a basket with bubble wrap.

Explanation:

Well if you wrap the egg into bubble wrap a few times them put it into a basket (its your choice) then it won't break because the bubble wrap will just pop a few times but sometimes it depends on where you are dropping it from.

Have a blessed day bye! ;)

6 0
3 years ago
Please Help Me with this
Zina [86]

Answer:

compared to sodium, silicon has a higher ionization energy meaning it takes more energy to remove electrons.

Explanation:

hope this helps

<u>can u please give me and Brainlist</u>

5 0
2 years ago
Weeds growing in a garden will compete with vegetable plants for sunlight, water, and nutrients.
Yuki888 [10]

Answer:

different species

Explanation:

weeds and vegetables are both plants, but they are completely different types of plants.

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2 years ago
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